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Finding the Fourth Proportional to 48,269.84, 66,505 and 36,115.59

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Solution

The fourth proportional to 48,269.84, 66,505 and 36,115.59 is: 49,759.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,269.84 : 66,505 = 36,115.59 : x
  2. Step 2: Convert to fraction form
    48,269.84/66,505 = 36,115.59/x
  3. Step 3: Cross multiply
    48,269.84x = 66,505 × 36,115.59
  4. Step 4: Simplify right side
    48,269.84x = 2,401,867,312.95
  5. Step 5: Solve for x
    x = 2,401,867,312.95/48,269.84
  6. Step 6: Final answer
    x = 49,759.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.